DNP3

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DNP3

(Distributed Network Protocol 3) A data link layer 2 protocol used in SCADA systems mostly in the electrical and water distribution industries. It provides the packet transmission between remote sensors and the SCADA control center. DNP3 is part of the IEEE 1379-2000 standard for best practices in SCADA communications. See SCADA, ICCP and data link protocol.
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 SCADA:DNP3.0: DNP3.0 (Distributed Network Protocol) is a set of communications protocols used between components in process automation systems.
"We offer RS-232 and RS-485 inputs and we support protocols such as Modbus, the Distributed Network Protocol (DNP3) and Allen-Bradley's DF1 protocol.
Some of the groups active in this area include OMAC (Open Modular Architecture Controls) at http://www.arcweb.com/omac, OCA (Open Control Architecture) at http://www.fsf.org (GNU Project, also known as the Free Software Foundation), IAON (Industrial Automation Open Networking) at http://www.iaopennetworking.com (Internet and Ethernet emphasis "from sensors to the boardroom"), and DNP (Distributed Network Protocol) at http://www.dnp.org.

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